00001 /* 00002 * ReadAppendStream.h 00003 * 00004 * Smalltalk like class library for C++ 00005 * Internal read and append stream. Header 00006 * 00007 * Copyright (c) 2006 Milan Cermak 00008 */ 00009 /* 00010 * This library is free software; you can redistribute it and/or 00011 * modify it under the terms of the GNU Lesser General Public 00012 * License as published by the Free Software Foundation; either 00013 * version 2.1 of the License, or (at your option) any later version. 00014 * 00015 * This library is distributed in the hope that it will be useful, 00016 * but WITHOUT ANY WARRANTY; without even the implied warranty of 00017 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 00018 * Lesser General Public License for more details. 00019 * 00020 * You should have received a copy of the GNU Lesser General Public 00021 * License along with this library; if not, write to the Free Software 00022 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 00023 */ 00024 #ifndef __READAPPENDSTREAM_H 00025 #define __READAPPENDSTREAM_H 00026 00027 #include "stlib/ReadStream.h" 00028 00029 namespace Core { 00030 00031 class Collection; 00032 class SequenceableCollection; 00033 class String; 00034 class WriteStream; 00035 00036 class ReadAppendStream : public Core::ReadStream 00037 { 00038 protected: 00039 WriteStream *writeStream; 00040 00041 public: 00042 ReadAppendStream(SequenceableCollection *collection); 00043 00044 /* Class-accessing protocol */ 00045 virtual String *className(void) const; 00046 00047 /* Accessing protocol */ 00048 virtual void commit(void); 00049 virtual void flush(void); 00050 virtual void nextPut(Object *object); 00051 virtual void nextPut(const char object); 00052 virtual void nextPutAll(const Collection *collection); 00053 virtual void nextPutAll(const char *string); 00054 virtual void nextPutAll(const SequenceableCollection *collection, 00055 long size, long startIndex); 00056 00057 /* Positioning protocol */ 00058 virtual void position(long position); 00059 virtual long writePosition(void); 00060 00061 /* Status protocol */ 00062 virtual void close(void); 00063 00064 /* Testing protocol */ 00065 virtual bool isWritable(void); 00066 }; 00067 00068 }; 00069 00070 #endif /* __READAPPENDSTREAM_H */